. >>> the unexpected resignation of cia director david petraeus. general petraeus is best known for his leadership in the post9/11 wars. he had served as c -- cia director for more than a year. >>> senator dianne feinstein called loss of petraeus a loss. >>> fbi agents reportedly discovered the affair while investigating a possible security breech at the cia. according to the report the name paula baldwell came up. the fbi was initially concerned that someone had improperly accessed petraeuses e-mail and that classified information might be compromised. >>> san francisco police now say they have arrested a third man for vandalizing a muni bus. police say they arrested 25- year-old adam diaz on felony charges. he said he had been photographed using a skateboard to break windows on the bus. diaz and five others are now being charged for vandalizing and torching that bus. police are thanking for the public 's help in tracking down all of those suspects. >>> 32-year-old fredrick dosier is accused of sexually assaulting three women last year along 24th